JP2011502275A5 - - Google Patents

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JP2011502275A5
JP2011502275A5 JP2010530304A JP2010530304A JP2011502275A5 JP 2011502275 A5 JP2011502275 A5 JP 2011502275A5 JP 2010530304 A JP2010530304 A JP 2010530304A JP 2010530304 A JP2010530304 A JP 2010530304A JP 2011502275 A5 JP2011502275 A5 JP 2011502275A5
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Prior art keywords
optical system
imaging
imaging optical
mirrors
light
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JP2010530304A
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Japanese (ja)
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JP2011502275A (en
JP5653755B2 (en
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Priority claimed from DE102007051671A external-priority patent/DE102007051671A1/en
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Publication of JP2011502275A5 publication Critical patent/JP2011502275A5/ja
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Claims (12)

物体平面(5)の物体視野(4)を像平面(9)の像視野(8)内に結像する複数のミラー(M1からM6)を有する結像光学系(7)であって、
ミラー(M1からM6)の全ての反射面上への結像光(3)の最大入射角と、
結像光学系(7)の像側開口数と、
の比率が33.8°よりも小さいこと、
を特徴とする結像光学系(7)。
An imaging optical system (7) having a plurality of mirrors (M1 to M6) for imaging the object field (4) of the object plane (5) into the image field (8) of the image plane (9),
The maximum incident angle of the imaging light (3) on all the reflecting surfaces of the mirrors (M1 to M6);
The image-side numerical aperture of the imaging optical system (7);
The ratio is less than 33.8 °,
An imaging optical system (7) characterized by the above.
結像光(15)が通過するための貫通開口部(20)を有する少なくとも1つの掩蔽ミラー(M3からM6)を含むことを特徴とする請求項1に記載の結像光学系。   2. Imaging optical system according to claim 1, comprising at least one obscuration mirror (M3 to M6) having a through-opening (20) for the imaging light (15) to pass through. 少なくとも3つのミラー、好ましくはちょうど4つのミラー(M3からM6)が掩蔽された6つのミラー(M1からM6)を含むことを特徴とする請求項2に記載の結像光学系。   Imaging optics according to claim 2, characterized in that it comprises six mirrors (M1 to M6) in which at least three mirrors, preferably just four mirrors (M3 to M6) are obscured. 物体平面(5)の物体視野(4)を像平面(9)の像視野(8)内に結像する複数のミラー(M1からM6)を有する結像光学系(7)であって、
ミラー(M1からM6)の各々が、10nmよりも短い波長を有する結像光(3)に対する反射コーティング(80)を担持し、
結像光(15)が通過するための貫通開口部(20)を有する少なくとも1つの掩蔽ミラー(M3からM6)、
を含むことを特徴とする結像光学系(7)。
An imaging optical system (7) having a plurality of mirrors (M1 to M6) for imaging the object field (4) of the object plane (5) into the image field (8) of the image plane (9),
Each of the mirrors (M1 to M6) carries a reflective coating (80) for imaging light (3) having a wavelength shorter than 10 nm,
At least one obscuration mirror (M3 to M6) having a through-opening (20) for the imaging light (15) to pass through;
An imaging optical system (7) characterized by comprising:
物体平面(5)の物体視野(4)を像平面(9)の像視野(8)内に結像する複数のミラー(M1からM6)を有する結像光学系(7)であって、
ミラー(M1からM6)の各々が、10nmよりも短い波長を有する結像光(3)に対する反射コーティング(80)を担持し、該ミラー(M1からM6)は、50%よりも大きい平均反射率を有する、
ことを特徴とする結像光学系(7)。
An imaging optical system (7) having a plurality of mirrors (M1 to M6) for imaging the object field (4) of the object plane (5) into the image field (8) of the image plane (9),
Each of the mirrors (M1 to M6) carries a reflective coating (80) for imaging light (3) having a wavelength shorter than 10 nm, the mirrors (M1 to M6) having an average reflectivity greater than 50% Having
An imaging optical system (7) characterized by the above.
前記ミラー(M1からM6)の各々は、該ミラー(M1からM6)が6.9nmの波長を有する結像光(3)に対して58%よりも大きい平均反射率を有するように反射コーティング(80)を担持することを特徴とする請求項5に記載の結像光学系。   Each of the mirrors (M1 to M6) is provided with a reflective coating such that the mirror (M1 to M6) has an average reflectivity greater than 58% for imaging light (3) having a wavelength of 6.9 nm. 80. The imaging optical system according to claim 5, wherein the imaging optical system carries 80). 10nmよりも短い波長を有する結像光(3)と共に使用するための結像光学系であって、
20nmよりも良好な、好ましくは16nmよりも良好な、より好ましくは11nmよりも良好な、更に好ましくは8nmよりも良好な、更に好ましくは6nmよりも良好な解像力、
を特徴とする結像光学系。
An imaging optical system for use with imaging light (3) having a wavelength shorter than 10 nm,
A resolution of better than 20 nm, preferably better than 16 nm, more preferred better than 11 nm, still more preferred better than 8 nm, still more preferred better than 6 nm,
An imaging optical system characterized by the above.
高々0.5である像側開口数を有する結像光学系であって、
16nmよりも良好な、好ましくは11nmよりも良好な、更に好ましくは8nmよりも良好な、更に好ましくは6nmよりも良好な解像力、
を特徴とする結像光学系。
An imaging optical system having an image-side numerical aperture of at most 0.5,
A resolution of better than 16 nm, preferably better than 11 nm, more preferably better than 8 nm, still more preferred better than 6 nm,
An imaging optical system characterized by the above.
マイクロリソグラフィのための投影露光装置であって、
請求項1から請求項8のいずれか1項に記載の結像光学系(7)を含み、
光源(2)を含み、かつ
照明光(3)を前記結像光学系(7)の物体視野(4)へ誘導するための照明光学系(6)を含む、
ことを特徴とする装置。
A projection exposure apparatus for microlithography,
The imaging optical system (7) according to any one of claims 1 to 8,
A light source (2), and an illumination optical system (6) for guiding the illumination light (3) to the object field (4) of the imaging optical system (7),
A device characterized by that.
照明光(3)を生成するための前記光源(2)は、10nmよりも短い波長を用いて構成されることを特徴とする請求項9に記載の投影露光装置。   The projection exposure apparatus according to claim 9, wherein the light source (2) for generating the illumination light (3) is configured using a wavelength shorter than 10 nm. 微細構造構成要素を生成する方法であって、
レチクル(10)及びウェーハ(11)を準備する段階と、
請求項9又は請求項10のいずれか1項に記載の投影露光装置を用いて、前記レチクル(10)上の構造を前記ウェーハ(11)の感光層上に投影する段階と、
前記ウェーハ(11)上に微細構造(B、C)を生成する段階と、
を有することを特徴とする方法。
A method for producing a microstructured component, comprising:
Providing a reticle (10) and a wafer (11);
Projecting the structure on the reticle (10) onto the photosensitive layer of the wafer (11) using the projection exposure apparatus of any one of claims 9 or 10;
Generating microstructures (B, C) on the wafer (11);
A method characterized by comprising:
請求項11に記載の方法によって生成された微細構造構成要素。   A microstructure component produced by the method of claim 11.
JP2010530304A 2007-10-26 2008-10-11 Imaging optical system and projection exposure apparatus Active JP5653755B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US98279307P 2007-10-26 2007-10-26
DE102007051671.3 2007-10-26
US60/982,793 2007-10-26
DE102007051671A DE102007051671A1 (en) 2007-10-26 2007-10-26 Imaging optics and projection exposure system for microlithography with such an imaging optics
PCT/EP2008/008619 WO2009052962A1 (en) 2007-10-26 2008-10-11 Imaging optical system and projection exposure installation

Publications (3)

Publication Number Publication Date
JP2011502275A JP2011502275A (en) 2011-01-20
JP2011502275A5 true JP2011502275A5 (en) 2011-11-24
JP5653755B2 JP5653755B2 (en) 2015-01-14

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JP2010530304A Active JP5653755B2 (en) 2007-10-26 2008-10-11 Imaging optical system and projection exposure apparatus

Country Status (8)

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US (2) US8605255B2 (en)
EP (1) EP2203785A1 (en)
JP (1) JP5653755B2 (en)
KR (2) KR101593243B1 (en)
CN (2) CN102749810A (en)
DE (1) DE102007051671A1 (en)
TW (1) TWI402629B (en)
WO (1) WO2009052962A1 (en)

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